code: def _init(self):
      self.dict = {}
      self.read(self.dict_path)
  
file_path: nlpaug/nlpaug/model/word_dict/ppdb.py
imports: from nlpaug.util import PartOfSpeech
  from nlpaug.model.word_dict import WordDictionary
label_desc: Use image node_id 2 for calling the Ppdb obj's underlying member method code with example usage: obj._init() without return types